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23251238 = 211625619
BaseRepresentation
bin101100010110…
…0100100100110
31121202021200222
41120230210212
521423014423
62150204342
7401426603
oct130544446
947667628
1023251238
1112140aaa
1279536b2
134a8123a
1431336aa
1520943c8
hex162c926

23251238 has 4 divisors (see below), whose sum is σ = 34876860. Its totient is φ = 11625618.

The previous prime is 23251237. The next prime is 23251253. The reversal of 23251238 is 83215232.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23251237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5812808 + ... + 5812811.

It is an arithmetic number, because the mean of its divisors is an integer number (8719215).

Almost surely, 223251238 is an apocalyptic number.

23251238 is a deficient number, since it is larger than the sum of its proper divisors (11625622).

23251238 is a wasteful number, since it uses less digits than its factorization.

23251238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625621.

The product of its digits is 2880, while the sum is 26.

The square root of 23251238 is about 4821.9537534074. The cubic root of 23251238 is about 285.4184394110.

The spelling of 23251238 in words is "twenty-three million, two hundred fifty-one thousand, two hundred thirty-eight".

Divisors: 1 2 11625619 23251238